Daikin RXA42B5V1B8 - User Manual

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Installer reference guide

R32 split series

RXA42B5V1B8

RXA50B5V1B8

RXM50A5V1B9

RXM60A5V1B

RXM71A5V1B

ARXM50A5V1B9

ARXM60A5V1B

ARXM71A5V1B

RXP50N5V1B9

RXP60N5V1B9

RXP71N5V1B9

RXF50D6V1B

RXF60D5V1B9

RXF71D5V1B9

ARXF50A6V1B

ARXF60A5V1B9

ARXF71A5V1B9

RZAG35B5V1B

RZAG50B5V1B

RZAG60B5V1B

Main Page

Table of Contents2
About the Documentation4
About this Document4
Meaning of Warnings and Symbols5
General Safety Precautions7
For the Installer7
General7
Installation Site8
Installation Space Requirements9
Refrigerant - in Case of R410A or R3211
Electrical12
Specific Installer Safety Instructions15
About the Box21
Outdoor Unit21
To Unpack the Outdoor Unit21
To Handle the Outdoor Unit21
To Remove the Accessories from the Outdoor Unit22
About the Unit23
Identification23
Identification Label: Outdoor Unit23
Unit Installation24
Preparing the Installation Site24
Installation Site Requirements of the Outdoor Unit25
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates27
Opening the Unit28
About Opening the Unit28
To Open the Outdoor Unit28
Mounting the Outdoor Unit28
About Mounting the Outdoor Unit28
Precautions When Mounting the Outdoor Unit29
To Provide the Installation Structure29
To Install the Outdoor Unit30
To Provide Drainage30
To Prevent the Outdoor Unit from Falling over31
Piping Installation32
In this Chapter32
Preparing Refrigerant Piping32
Refrigerant Piping Requirements32
Refrigerant Piping Insulation33
Refrigerant Piping Length and Height Difference33
Connecting the Refrigerant Piping34
About Connecting the Refrigerant Piping34
Precautions When Connecting the Refrigerant Piping34
Guidelines When Connecting the Refrigerant Piping35
Pipe Bending Guidelines36
To Flare the Pipe End36
Using the Stop Valve and Service Port37
To Connect the Refrigerant Piping to the Outdoor Unit39
Checking the Refrigerant Piping39
About Checking the Refrigerant Piping39
Precautions When Checking the Refrigerant Piping39
To Check for Leaks40
To Perform Vacuum Drying40
Charging Refrigerant42
About Charging Refrigerant42
About the Refrigerant43
Precautions When Charging Refrigerant44
To Determine the Additional Refrigerant Amount44
To Determine the Complete Recharge Amount44
To Charge Additional Refrigerant45
To Check Refrigerant Piping Joints for Leaks after Charging Refrigerant45
To Fix the Fluorinated Greenhouse Gases Label45
Electrical Installation47
About Connecting the Electrical Wiring47
Precautions When Connecting the Electrical Wiring47
Guidelines When Connecting the Electrical Wiring48
Installation Method49
Specifications of Standard Wiring Components50
To Connect the Electrical Wiring to the Outdoor Unit50
Finishing the Outdoor Unit Installation52
To Finish the Outdoor Unit Installation52
To Close the Outdoor Unit52
Configuration54
Facility Setting54
To Set the Facility Mode54
Standby Electricity Saving Function54
About the Standby Electricity Saving Function54
To Turn on Standby Electricity Saving Function55
Commissioning56
Precautions When Commissioning56
Checklist before Commissioning57
Checklist During Commissioning57
To Perform a Test Run57
Starting up the Outdoor Unit58
Hand-Over to the User59
Maintenance and Service60
Overview: Maintenance and Service60
Maintenance Safety Precautions61
Checklist for Yearly Maintenance of the Outdoor Unit61
About the Compressor61
Troubleshooting63
Overview: Troubleshooting63
Precautions When Troubleshooting63
Solving Problems Based on Symptoms63
Symptom: Indoor Units Fall, Vibrate or Make Noise63
Symptom: the Unit Is NOT Heating or Cooling as Expected64
Symptom: Water Leakage64
Symptom: Electrical Leakage64
Symptom: Unit Does NOT Function or Burn Damage64
Fault Diagnosis Using LED on Outdoor Unit PCB64
Disposal66
Overview: Disposal66
To Pump down66
To Start and Stop Forced Cooling67
To Start and Stop Forced Cooling Using the Indoor Unit ON/OFF Switch67
To Start and Stop Forced Cooling Using the Indoor Unit User Interface67
Technical Data68
Wiring Diagram68
Unified Wiring Diagram Legend68
Piping Diagram71
Piping Diagram: Outdoor Unit71
Glossary76

Brand	Daikin
Model	RXA42B5V1B8
Category	Air Conditioner
Language	English

Daikin RXA42B5V1B8 - User Manual

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